<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="vue.js"></script>
</head>
<body>
    <div id="app">
        <button @click="isShows">点击我隐藏或者出现</button>
        <p v-show="isShow">eqweq</p>

    </div>
    <script>
        let vm =new Vue({
            el:"#app",
            data(){
              return{  isShow:false}
            },
            methods:{
                isShows(){
                    this.isShow=true                }
            }

        })
    </script>
</body>
</html>